Patent application number | Description | Published |
20120304905 | Solid Fuel and Oxygen Combustion with Low NOx and Efficient Burnout - Solid particulate fuels are combusted with a primary oxidant stream of industrially pure oxygen and a secondary oxidant stream of industrially pure oxygen optionally mixed with a portion of recycled flue gas. The fuel is conveyed with a carrier gas of air or recycled flue gas. An oxygen concentration out of the total amount of the fuel stream and the primary and secondary oxidant streams is 40-63% by mass or 47-70% by volume. | 12-06-2012 |
20130025458 | HOLLOW CERAMIC FIBERS, PRECURSORS FOR MANUFACTURE THEREOF UTILIZING NANOPARTICLES, METHODS OF MAKING THE SAME, AND METHODS OF USING THE SAME - A composite hollow ceramic fiber includes a porous hollow core supporting a thin, dense sheath. The non-gas-tight core comprises a first ceramic material and an interconnecting network of pores. The gas-tight sheath comprises a second ceramic material. The fiber is made by extruding a core suspension of particles of the first ceramic material, a polymeric binder, and a solvent and a sheath suspension of particles of the second ceramic material, a polymeric binder and a solvent, respectively, from a spinnerette and coagulating the nascent hollow fiber to effect phase inversion of the polymeric binders. The resultant green fiber is sintered in a two step process. First, the binders are burned off. Second, the sheath is densified and the second ceramic material is sintered without fully sintering the first ceramic material. The first ceramic material of the core suspension has a median particle size greater than that of the second ceramic material of the sheath suspension. | 01-31-2013 |
20140087316 | Method and System for Heat Recovery from Products of Combustion and Charge Heating Installation Including the Same - A plurality of independently flow rate-controlled flows of fuel may be preheated at a heat exchanger (or both oxidant and fuel at separate heat exchangers) by heat exchange with a hot shell-side (heat transfer) fluid. The separate flows of hot fuel are directed to associated separate burners where they combust with flows of fuel to produce hot combustion gases. The hot combustion gases are used to preheat the hot shell-side fluid at a recuperator or regenerator. | 03-27-2014 |
20140087322 | Method and System for Heat Recovery from Products of Combustion and Charge Heating Installation Including the Same - A plurality of independently flow rate-controlled flows of oxidant may be preheated at a heat exchanger (or both oxidant and fuel at separate heat exchangers) by heat exchange with a hot shell-side (heat transfer) fluid. The separate flows of hot oxidant are directed to associated separate burners where they combust with flows of fuel to produce hot combustion gases. The hot combustion gases are used to preheat the hot shell-side fluid at a recuperator or regenerator. | 03-27-2014 |
20140162205 | PREHEATING OXYGEN FOR INJECTION INTO BLAST FURNACES - A side stream of hot blast air is used to preheat oxygen at a heat exchanger. The resultant hot oxygen is injected into a tuyere of a blast furnace with pulverized or granular coal. The cooled side stream may be recombined with the hot blast air for injection into the tuyere, fed to the stove as part of the cold blast air, or fed to stove for combustion with blast furnace gas. | 06-12-2014 |
20140186780 | NOVEL VELOCITY CONTROL DEVICE FOR A BURNER USING BIMETALLIC MATERIALS FOR PREHEATED FUEL AND OXIDIZER - Methods and systems for controlling jet velocity of a preheated gas are described herein. Through the use of a temperature-sensitive bimetallic valve, the flow of a gas can be redirected to maintain jet velocity based on temperature. The temperature-sensitive bimetallic valve can redirect flow of the gas based on the position of a bimetallic strip. The bimetallic strip and a connected blocking device can change position based on the temperature of the gas. The position of the bimetallic strip and the blocking device control the size of the port that the gas is delivered to the burner through. Thus, preheated gas and standard temperature gas can be delivered at appropriate velocities based on the needs of the user. | 07-03-2014 |
20140186781 | VELOCITY CONTROL DEVICE FOR A BURNER USING THE CURIE EFFECT FOR PREHEATED FUEL AND OXIDIZER - Methods and systems for controlling jet velocity at a burner when using heated gases and standard temperature gases are described herein. Through the use of a temperature-sensitive magnetic valve, the flow of a gas can be redirected to reduce velocity based on temperature. The temperature-sensitive magnetic valve can redirect flow of the gas based on the magnetic state of a curie material. The curie material changes the state of the temperature-sensitive magnetic valve based on the temperature of the gas. Thus, heated gases and standard temperature gases can be delivered at approximately equal velocities thus maintaining flame size and shape. | 07-03-2014 |
20150068437 | DISTRIBUTED COMBUSTION PROCESS AND BURNER - A burner has a fuel/oxidant nozzles and a pair of dynamical lances spaced on either side thereof that inject a jet of fuel and primary oxidant along a fuel injection axis, and jets of secondary oxidant, respectively. Jets of actuating fluid impinge against the jets of secondary oxidant to fluidically angle the jets of secondary oxidant away from the fuel injection axis. The action of the angling away together with staging of the oxidant between primary and secondary oxidant injections allows achievement of distributed combustion conditions. | 03-12-2015 |